Home / 680,524-819,763

Finding the Third Proportional to 680,524 and 819,763

Calculator

Solution

The third proportional to 680,524 and 819,763 is: 987,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,524 : 819,763 = 819,763 : x
  2. Step 2: Convert to fraction form
    680,524/819,763 = 819,763/x
  3. Step 3: Cross multiply
    680,524x = 819,763 × 819,763
  4. Step 4: Simplify right side
    680,524x = 672,011,376,169
  5. Step 5: Solve for x
    x = 672,011,376,169/680,524
  6. Step 6: Final answer
    x = 987,491.07

Related Problems

Find third proportional to 340,262 and 409,881.50
Half scale
Find third proportional to 1,361,048 and 1,639,526
Double scale
Find third proportional to 680,526 and 819,765
Similar ratio
Find third proportional to 1,020,786 and 1,229,644.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.